mirror of
				https://github.com/krahets/hello-algo.git
				synced 2025-11-04 14:18:20 +08:00 
			
		
		
		
	* fix(codes/cpp): Memory leak fix: the space was not freed when pop removed the element. * fix(codes/cpp): Fix access error when printArray(arr, 0) * Update PrintUtil.hpp * fix(codes/c): Fix some errors of cmake build * feat(codes/c): Add hashing_search.c * styles(codes/c): Modify function description * styles(codes/c): Modify binary_search.c code style * fix(codes/c): Fix the problem in binary_tree_bfs.c and the problem that the memory is not released. * feat: Add preorder_traversal_i_compact.c * feat(codes/c): Add head_sort.c * feat(codes/c): Add bucket_sort.c * feat(codes/c): Add binary_search_edge.c * fix(codes/c): Add programs that are not managed by cmake (c code) * feat(codes/c): Add selection_sort.c * style(codes/c): Change swap in selection_sort.c to `selectionSort` * styles(codes/c): Change style. * fix(codes/c): Fix some formatting errors and temporarily remove backtracking chapters * fix(codes/c): Fix space_complexity.c build error. * feat(codes/c): Add array_binary_tree.c * feat(code/c): Update push_back and pop_back in vector.h * styles(codes/c): Adjust format. --------- Co-authored-by: Yudong Jin <krahets@163.com>
		
			
				
	
	
		
			142 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			142 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/**
 | 
						|
 * File: vector.h
 | 
						|
 * Created Time: 2023-07-13
 | 
						|
 * Author: Gonglja (glj0@outlook.com)
 | 
						|
 */
 | 
						|
 | 
						|
#ifndef VECTOR_H
 | 
						|
#define VECTOR_H
 | 
						|
 | 
						|
#ifdef __cplusplus
 | 
						|
extern "C" {
 | 
						|
#endif
 | 
						|
 | 
						|
/* 定义向量类型 */
 | 
						|
typedef struct vector {
 | 
						|
    int size;     // 当前向量的大小
 | 
						|
    int capacity; // 当前向量的容量
 | 
						|
    int depth;    // 当前向量的深度
 | 
						|
    void **data;  // 指向数据的指针数组
 | 
						|
} vector;
 | 
						|
 | 
						|
/* 构造向量 */
 | 
						|
vector *newVector() {
 | 
						|
    vector *v = malloc(sizeof(vector));
 | 
						|
    v->size = 0;
 | 
						|
    v->capacity = 4;
 | 
						|
    v->depth = 1;
 | 
						|
    v->data = malloc(v->capacity * sizeof(void *));
 | 
						|
    return v;
 | 
						|
}
 | 
						|
 | 
						|
/* 析构向量 */
 | 
						|
void delVector(vector *v) {
 | 
						|
    if (v) {
 | 
						|
        if (v->depth == 0) {
 | 
						|
            return;
 | 
						|
        } else if (v->depth == 1) {
 | 
						|
            for (int i = 0; i < v->size; i++) {
 | 
						|
                free(v->data[i]);
 | 
						|
            }
 | 
						|
            free(v);
 | 
						|
        } else {
 | 
						|
            for (int i = 0; i < v->size; i++) {
 | 
						|
                delVector(v->data[i]);
 | 
						|
            }
 | 
						|
            v->depth--;
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
/*  添加元素(拷贝方式)到向量尾部 */
 | 
						|
void vectorPushback(vector *v, void *elem, int elemSize) {
 | 
						|
    if (v->size == v->capacity) {
 | 
						|
        v->capacity *= 2;
 | 
						|
        v->data = realloc(v->data, v->capacity * sizeof(void *));
 | 
						|
    }
 | 
						|
    void *tmp = malloc(sizeof(char) * elemSize);
 | 
						|
    memcpy(tmp, elem, elemSize);
 | 
						|
    v->data[v->size++] = tmp;
 | 
						|
}
 | 
						|
 | 
						|
/* 从向量尾部弹出元素 */
 | 
						|
void vectorPopback(vector *v) {
 | 
						|
    if (v->size != 0) {
 | 
						|
        free(v->data[v->size - 1]);
 | 
						|
        v->size--;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
/* 清空向量 */
 | 
						|
void vectorClear(vector *v) {
 | 
						|
    delVector(v);
 | 
						|
    v->size = 0;
 | 
						|
    v->capacity = 4;
 | 
						|
    v->depth = 1;
 | 
						|
    v->data = malloc(v->capacity * sizeof(void *));
 | 
						|
}
 | 
						|
 | 
						|
/* 获取向量的大小 */
 | 
						|
int vectorSize(vector *v) {
 | 
						|
    return v->size;
 | 
						|
}
 | 
						|
 | 
						|
/* 获取向量的尾元素 */
 | 
						|
void *vectorBack(vector *v) {
 | 
						|
    return v->data[v->size];
 | 
						|
}
 | 
						|
 | 
						|
/* 获取向量的头元素 */
 | 
						|
void *vectorFront(vector *v) {
 | 
						|
    return v->data[0];
 | 
						|
}
 | 
						|
 | 
						|
/* 打印函数, 需传递一个打印变量的函数进来 */
 | 
						|
/* 当前仅支持打印深度为 1 的 vector*/
 | 
						|
void printVector(vector *v, void (*printFunc)(vector *v, void *p)) {
 | 
						|
    if (v) {
 | 
						|
        if (v->depth == 0) {
 | 
						|
            return;
 | 
						|
        } else if (v->depth == 1) {
 | 
						|
            for (int i = 0; i < v->size; i++) {
 | 
						|
                if (i == 0) {
 | 
						|
                    printf("[");
 | 
						|
                } else if (i == v->size - 1) {
 | 
						|
                    printFunc(v, v->data[i]);
 | 
						|
                    printf("]\r\n");
 | 
						|
                    break;
 | 
						|
                }
 | 
						|
                printFunc(v, v->data[i]);
 | 
						|
                printf(",");
 | 
						|
            }
 | 
						|
        } else {
 | 
						|
            for (int i = 0; i < v->size; i++) {
 | 
						|
                printVector(v->data[i], printFunc);
 | 
						|
            }
 | 
						|
            v->depth--;
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
/* 当前仅支持打印深度为 2 的 vector */
 | 
						|
void printVectorMatrix(vector *vv, void (*printFunc)(vector *v, void *p)) {
 | 
						|
    printf("[\n");
 | 
						|
    for (int i = 0; i < vv->size; i++) {
 | 
						|
        vector *v = (vector *)vv->data[i];
 | 
						|
        printf("  [");
 | 
						|
        for (int j = 0; j < v->size; j++) {
 | 
						|
            printFunc(v, v->data[j]);
 | 
						|
            if (j != v->size - 1)
 | 
						|
                printf(",");
 | 
						|
        }
 | 
						|
        printf("],");
 | 
						|
        printf("\n");
 | 
						|
    }
 | 
						|
    printf("]\n");
 | 
						|
}
 | 
						|
 | 
						|
#ifdef __cplusplus
 | 
						|
}
 | 
						|
#endif
 | 
						|
 | 
						|
#endif // VECTOR_H
 |